The 633-2Z is a small-size deep groove ball bearing manufactured by SKF, ideal for high-speed applications and tight spaces. Equipped with metal shields on both sides (2Z), it effectively protects against dust and contaminants, ensuring long-lasting lubrication.
Thanks to its compact design and low friction, it is perfect for use in precision instruments, micromotors, electronic devices, and miniaturized mechanical systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 633-2Z |
| Bearing Type | Deep groove ball bearing |
| Inner Diameter (d) | 3 mm |
| Outer Diameter (D) | 13 mm |
| Width (B) | 5 mm |
| Seals | 2Z (metal shields) |
| Material | Chrome steel |
| Speed Limit (Grease) | ~40,000 rpm |
| Speed Limit (Oil) | ~48,000 rpm |
| Dynamic Load Rating (C) | ~0.64 kN (approx.) |
| Static Load Rating (C0) | ~0.25 kN (approx.) |
| Operating Temperature | -20 °C / +120 °C |
Key Features
✔ Miniature design → Ideal for compact applications
✔ 2Z shields → Protect against dust and dirt, retain lubrication
✔ Smooth and quiet rotation → Suitable for sensitive equipment
✔ High-quality material → Long service life under demanding use
✔ Pre-lubricated → Ready to install, minimal maintenance required
Typical Applications
🔹 Micromotors and electric actuators
🔹 Precision instrumentation
🔹 Medical and electronic devices
🔹 Model making and lightweight mechanical components
🔹 Continuous rotation systems in tight spaces
📦 Order your SKF 633-2Z bearing now for top performance in high-speed, miniaturized applications! ⚙️
